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Make digdelv test work in different network envs

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When a target server is unreachable, the varying network conditions may
cause different ICMP message (or no message). The host unreachable
message was discovered when attempting to run the test locally while
connected to a VPN network which handles all traffic.

Extend the dig output check with "host unreachable" message to avoid a
false negative test result in certain network environments.

(cherry picked from commit 1e7d832342)
This commit is contained in:
Tom Krizek 2022-10-05 15:59:13 +02:00
parent 10a43eba02
commit 25d2d7e46e
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GPG key ID: 01623B9B652A20A7
1 changed files with 2 additions and 2 deletions
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4
bin/tests/system/digdelv/tests.sh
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@ -1023,7 +1023,7 @@ if [ -x "$DIG" ] ; then
echo_i "check that dig tries the next server after a UDP socket network unreachable error ($n)"
ret=0
dig_with_opts @192.0.2.128 @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
test $(grep -F -e "connection refused" -e "timed out" -e "network unreachable" dig.out.test$n | wc -l) -eq 3 || ret=1
test $(grep -F -e "connection refused" -e "timed out" -e "network unreachable" -e "host unreachable" dig.out.test$n | wc -l) -eq 3 || ret=1
grep -F "status: NOERROR" dig.out.test$n > /dev/null || ret=1
if [ $ret -ne 0 ]; then echo_i "failed"; fi
status=$((status+ret))
@ -1032,7 +1032,7 @@ if [ -x "$DIG" ] ; then
echo_i "check that dig tries the next server after a TCP socket network unreachable error ($n)"
ret=0
dig_with_opts +tcp @192.0.2.128 @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
test $(grep -F -e "connection refused" -e "timed out" -e "network unreachable" dig.out.test$n | wc -l) -eq 3 || ret=1
test $(grep -F -e "connection refused" -e "timed out" -e "network unreachable" -e "host unreachable" dig.out.test$n | wc -l) -eq 3 || ret=1
grep -F "status: NOERROR" dig.out.test$n > /dev/null || ret=1
if [ $ret -ne 0 ]; then echo_i "failed"; fi
status=$((status+ret))